此外，一些老的浏览器可能不会支持当前使用的一些CSS。

Also, some older browsers may not support some of the CSS used.

youdao

此外，一些浏览器在为多重请求而重用XHR对象时可能也会存在问题。

Also, some browsers seem to have problems reusing XHR objects for multiple requests.

youdao

此外，使用未经测试的设备和浏览器访问站点内容的潜在用户也被排除在外。

In addition, you exclude potential users who are trying to access your content with devices and browsers on which you haven't tested your site.

youdao